Home / 803,726.85-1,109,198.49-531,322.33

Finding the Fourth Proportional to 803,726.85, 1,109,198.49 and 531,322.33

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Solution

The fourth proportional to 803,726.85, 1,109,198.49 and 531,322.33 is: 733,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,726.85 : 1,109,198.49 = 531,322.33 : x
  2. Step 2: Convert to fraction form
    803,726.85/1,109,198.49 = 531,322.33/x
  3. Step 3: Cross multiply
    803,726.85x = 1,109,198.49 × 531,322.33
  4. Step 4: Simplify right side
    803,726.85x = 589,341,926,139.28
  5. Step 5: Solve for x
    x = 589,341,926,139.28/803,726.85
  6. Step 6: Final answer
    x = 733,261.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.